import BigNumber from './BigNumber.js';
type WriterChunk = readonly number[] | Uint8Array;
/**
 * WriterUint8Array is a utility class for writing binary data into a dynamically
 * growing Uint8Array buffer. It provides methods to write various integer types
 * and variable-length integers, similar to the Writer class but optimized for
 * Uint8Array usage.
 */
export declare class WriterUint8Array {
    private buffer;
    private pos;
    private capacity;
    constructor(bufs?: WriterChunk[], initialCapacity?: number);
    /**
     * Returns the current length of written data
     */
    getLength(): number;
    /**
     * @return the written data as Uint8Array copy of the internal buffer
     */
    toUint8Array(): Uint8Array;
    /**
     * Legacy compatibility method – returns number[] (Byte[])
     */
    toArray(): number[];
    /**
     * @return the written data as Uint8Array. CAUTION: This is zero-copy subarray of the internal buffer).
     */
    toUint8ArrayZeroCopy(): Uint8Array;
    private ensureCapacity;
    write(bytes: WriterChunk): this;
    writeReverse(buf: WriterChunk): this;
    writeUInt8(value: number): this;
    writeInt8(value: number): this;
    writeUInt16LE(value: number): this;
    writeUInt16BE(value: number): this;
    writeInt16LE(value: number): this;
    writeInt16BE(value: number): this;
    writeUInt32LE(value: number): this;
    writeUInt32BE(value: number): this;
    writeInt32LE(value: number): this;
    writeInt32BE(value: number): this;
    writeUInt64BEBn(bn: BigNumber): this;
    writeUInt64LEBn(bn: BigNumber): this;
    writeUInt64LE(n: number): this;
    writeVarIntNum(n: number): this;
    writeVarIntBn(bn: BigNumber): this;
    /**
     * Resets the writer to empty state (reuses the buffer)
     */
    reset(): void;
}
export {};
//# sourceMappingURL=WriterUint8Array.d.ts.map